Chemical Weapons, 'Red Lines' and US Involvement in Syria

President Obama is under increased pressure to intervene in Syria's civil war, which spilled over into neighboring Lebanon again today. We have updates and analysis of the President's options. Also, a new cable TV network says Americans are missing "real news." We talk with the President of Al Jazeera America — a veteran of 30 years with ABC News.

Banner image: Bodies of children whom activists say were killed by gas attack in the Ghouta area, in the eastern suburbs of Damascus August 21, 2013. Photo: Mohamed Abdullah/Reuters